diff --git a/third_party/aub_stream/headers/allocation_params.h b/third_party/aub_stream/headers/allocation_params.h
index a702dd7182..835e672d59 100644
--- a/third_party/aub_stream/headers/allocation_params.h
+++ b/third_party/aub_stream/headers/allocation_params.h
@@ -15,6 +15,7 @@ struct AllocationParams {
     AllocationParams() = delete;
     AllocationParams(uint64_t gfxAddress, const void *memory, size_t size, uint32_t memoryBanks, int hint, size_t pageSize)
         : gfxAddress(gfxAddress), size(size), pageSize(pageSize), memoryBanks(memoryBanks), hint(hint), memory(memory) {
+        additionalParams = {};
     }
     uint64_t gfxAddress = 0;
     size_t size = 0;
@@ -24,7 +25,9 @@ struct AllocationParams {
     const void *memory = nullptr;
 
     struct AdditionalParams {
-        bool compressionEnabled = false;
+        bool compressionEnabled :1;
+        bool uncached : 1;
+        bool padding : 6;
     } additionalParams;
 };